Mitsubishi Electric EW-50A Installation And Instruction Manual page 33

7-2-2. M-NET transmission cables (Centralized control transmission cables)
1. Attach M3.5 sleeved ring terminals to the M-NET transmission cables (A, B, Shield).
2. Connect the M-NET transmission cables to the M-NET terminal block.
3. Fix the cables in place with the supplied cable tie.
4. When the power is supplied from the unit other than the EW-50, disconnect the M-NET power jumper from CN21. (Refer to
section 2-1 "Part names" for the location of CN21.)
M-NET transmission cables A and B
Note
● Provide a single point ground for the shield of the centralized control transmission cable. (Provide the appropriate grounding
according to local standards.)
● When leaving the M-NET power jumper connected to CN21 on the AE-200/AE-50/EW-50, the M-NET S (shield) terminal of
TB3 is connected to the ground terminal block on the unit, and the ground is supplied via the protective ground wire.
● When disconnecting the M-NET power jumper from CN21 on the AE-200/AE-50/EW-50, provide a ground point at a power
supply unit (PAC-SC51KUA).
● Tighten the terminal screws to a torque of 1.0 to 1.3 N•m.
● Properly fix the cable sheaths in place with the supplied cable ties. The distance between the sheath end and the ring
terminal must be 45 mm (1-13/16 in) or less.
WT07417X01
Cable tie (supplied)
Cable tie (supplied)
Cable sheath
CN21
45 mm (1-13/16 in)
or less
M-NET transmission cable S (Shield)
Sheath
To outdoor unit
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